Finding the Fourth Proportional to 724,193.70, 1,087,327.35 and 409,265.70
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Solution
The fourth proportional to 724,193.70, 1,087,327.35 and 409,265.70 is: 614,484.48
Step by Step Solution
- Step 1: Write the proportion equation
724,193.70 : 1,087,327.35 = 409,265.70 : x - Step 2: Convert to fraction form
724,193.70/1,087,327.35 = 409,265.70/x - Step 3: Cross multiply
724,193.70x = 1,087,327.35 × 409,265.70 - Step 4: Simplify right side
724,193.70x = 445,005,789,026.90 - Step 5: Solve for x
x = 445,005,789,026.90/724,193.70 - Step 6: Final answer
x = 614,484.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.